Bourjois Paris 10 Days Anti-Choc Nail Polish 9ml 23 Bourjois introduces the first nail enamel that lasts for up to 10 days with touch up's thanks to its unique formula and brush! The chip resistant and strengthening pro-silicium formula acts as a protective barrier to prevent nails from chipping for 7 days. It makes nails 2 x as strong, resistant and protects them from breaking. The precise angled touch-up brush has been specially designed to retouch the tips of the nails for 3 days extra hold when chips appear 7 days. Wide and angled, it perfectly adapts to the nail shape and is fast and easy to apply. Its slanted brush tip allows you to touch up your nails without demarcation for a flawless chip-free manicure.